Astronauts during Apollo missions used urine collection and transfer devices and plastic fecal bags. The latter bags, after use, were stored in a sanitation box on the spacecraft, according to the National Air and Space Museum.

The Artemis II astronauts are on their way back to Earth, approaching 209,100 miles from home. Track their journey.

Tonight, the Artemis astronauts on board their Orion spacecraft are speeding towards Earth for their dangerous re-entry and splash landing. NBC News’ Tom Costello has more on their final preps and the timeline for Orion’s return.

The Artemis II astronauts didn't just make history this week; they're also taking part in health studies that will give scientists more data about all of us here on Earth. Michael George reports.

The Artemis II astronauts don't have a lot of space to exercise. That's why they've got the flywheel — a small device that can be used for strength and cardio workouts.

Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK. Four astronauts have travelled further from Earth than anyone ever before. It's part of the Artemis II mission - which saw humans go to the Moon for the first time in over 50 years.